Some Republican House lawmakers are supporting legislation that would create a system for manufacturing, distributing and possessing some forms of medical marijuana in Iowa, though it's unclear what type of support the bill will get from party leaders.

The bill would expand the state's current law on medical marijuana, which allows some epilepsy patients to use cannabis oil. The new legislation would expand it to include more products and patients, though it would prohibit the smoking of medical marijuana.

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Rep. Peter Cownie, chairman of the House Commerce Committee, discussed the bill during a press conference Tuesday while surrounded by a handful of Republican lawmakers. The West Des Moines Republican was vague when asked about the bill's support within his caucus. He asked lawmakers to keep an open mind.